/* AT&T Business Fiber partner section, Elevate Solutions. Colors from business.att.com (AT&T blue #009FDB, cobalt #00388F, light #F2FAFD). */
:root{--at-bg:#fff;--at-alt:#F2FAFD;--at-card:#fff;--at-line:#D2D2D2;--at-ink:#1D2329;--at-ink2:#454B52;--at-head:#000;--at-link:#0072B2;--at-blue:#009FDB;--at-cobalt:#00388F;--at-tint:#BAEEFC;--at-btn:#00388F;--at-btn-ink:#fff;--at-band:#00388F;--at-ft:#F2FAFD}
:root[data-theme=dark]{--at-bg:#0B1E3F;--at-alt:#102A55;--at-card:#13305F;--at-line:#2A4A7E;--at-ink:#F2FAFD;--at-ink2:#C9DDF0;--at-head:#fff;--at-link:#BAEEFC;--at-btn:#009FDB;--at-btn-ink:#00102B;--at-band:#00388F;--at-ft:#081733}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]):not([data-theme=dark]){--at-bg:#0B1E3F;--at-alt:#102A55;--at-card:#13305F;--at-line:#2A4A7E;--at-ink:#F2FAFD;--at-ink2:#C9DDF0;--at-head:#fff;--at-link:#BAEEFC;--at-btn:#009FDB;--at-btn-ink:#00102B;--at-band:#00388F;--at-ft:#081733}}
.at-page,.at-hd,.at-main,.at-ft{font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;color:var(--at-ink)}
body.at-body{margin:0;background:var(--at-bg)}
.at-main{background:var(--at-bg)}
.at-main *,.at-hd *,.at-ft *{box-sizing:border-box}
.at-wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.at-main a,.at-ft a{color:var(--at-link)}
.at-main h1,.at-main h2,.at-main h3{color:var(--at-head);margin:0}
.at-main h1{font-size:clamp(34px,5vw,54px);line-height:1.08;font-weight:700;letter-spacing:-.01em}
.at-main h2{font-size:clamp(26px,3.4vw,38px);line-height:1.15;font-weight:700}
.at-main h3{font-size:20px;line-height:1.3;font-weight:700}
.at-main p{line-height:1.6;margin:0}
.at-eyebrow{font-size:14px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--at-link);margin:0 0 12px}
.at-lede{font-size:19px;color:var(--at-ink2);margin-top:16px!important;max-width:760px}
.at-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.at-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 26px;border-radius:24px;font-weight:700;font-size:16px;text-decoration:none!important;border:2px solid transparent;line-height:1.2}
.at-btn-p{background:var(--at-btn);color:var(--at-btn-ink)!important}
.at-btn-s{border-color:var(--at-btn);color:var(--at-link)!important;background:transparent}
.at-btn-w{background:#fff;color:#00388F!important}
.at-btn-o{border-color:#fff;color:#fff!important}
.at-btn:focus-visible,.at-main a:focus-visible,.at-menu:focus-visible,summary:focus-visible{outline:3px solid var(--at-blue);outline-offset:2px}
/* header */
.at-hd{position:sticky;top:0;z-index:40;background:var(--at-bg);border-bottom:1px solid var(--at-line)}
.at-hd-in{display:flex;align-items:center;gap:20px;min-height:72px}
.at-lockup{display:flex;align-items:center;gap:12px;min-width:0}
.at-lockup a{display:inline-flex;align-items:center;min-height:44px}
.at-lockup img{display:block}
.at-bar{color:var(--at-line);font-size:24px}
.at-plate{display:inline-flex;align-items:center;background:#fff;border-radius:6px;padding:4px 6px}
.at-nav{display:flex;gap:22px;margin-left:auto}
.at-nav a,.at-mnav a{color:var(--at-ink);text-decoration:none;font-weight:700;font-size:15px}
.at-nav a[aria-current=page]{color:var(--at-link);box-shadow:inset 0 -3px 0 var(--at-blue);padding-bottom:6px}
.at-hd-r{display:flex;align-items:center;gap:10px}
.at-hd-r .at-btn{min-height:40px;padding:8px 18px;font-size:15px}
.at-menu{display:none;min-height:44px;padding:8px 16px;border-radius:22px;border:2px solid var(--at-btn);background:transparent;color:var(--at-link);font-weight:700;font:inherit;font-weight:700;cursor:pointer}
.at-mnav{display:none}
.at-mnav.open{display:flex;flex-direction:column;gap:6px;padding:8px 24px 20px;border-top:1px solid var(--at-line);background:var(--at-bg)}
.at-mnav a{padding:12px 0;font-size:17px}
.at-mnav .at-btn{color:var(--at-btn-ink)!important;margin-top:8px}
.logo-dark{display:none!important}
:root[data-theme=dark] .logo-light{display:none!important}:root[data-theme=dark] .logo-dark{display:block!important}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .logo-light{display:none!important}:root:not([data-theme=light]) .logo-dark{display:block!important}}
/* hero */
.at-hero{background:linear-gradient(0deg,var(--at-alt),var(--at-alt));padding:72px 0 64px}
.at-hero-in{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center}
.at-statcard{display:grid;gap:14px}
.at-stat{background:var(--at-card);border:1px solid var(--at-line);border-left:6px solid var(--at-blue);border-radius:10px;padding:18px 20px}
.at-stat b{display:block;font-size:30px;color:var(--at-head);line-height:1.1}
.at-stat span{display:block;margin-top:4px;color:var(--at-ink2);line-height:1.45}
/* sections */
.at-sec{padding:72px 0}
.at-alt{background:var(--at-alt)}
.at-grid{display:grid;gap:18px;margin-top:36px}
.at-g2{grid-template-columns:repeat(2,minmax(0,1fr))}.at-g3{grid-template-columns:repeat(3,minmax(0,1fr))}.at-g4{grid-template-columns:repeat(4,minmax(0,1fr))}.at-g5{grid-template-columns:repeat(5,minmax(0,1fr))}
.at-card{background:var(--at-card);border:1px solid var(--at-line);border-radius:12px;padding:26px}
.at-card p{color:var(--at-ink2);margin-top:10px}
.at-two{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:32px;align-items:start}
.at-checks{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:10px}
.at-checks li{position:relative;padding-left:30px;line-height:1.5}
.at-checks li::before{content:"";position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;background:var(--at-blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.5l2.6 2.6L13 6.6' fill='none' stroke='white' stroke-width='2'/%3E%3C/svg%3E") center/18px no-repeat}
.at-note-card .at-row{margin-top:18px}
.at-brand-card .at-plate{margin-bottom:14px}
.at-brand-card .at-plate img{height:26px;width:auto}
.at-tier-h b{display:block;font-size:30px;color:var(--at-head)}
.at-tier-h span{font-size:14px;color:var(--at-link);font-weight:700}
.at-tier{border-top:6px solid var(--at-blue)}
.at-notes{margin-top:22px;display:grid;gap:6px}
.at-notes p,.at-cap,.at-fine{font-size:14px!important;color:var(--at-ink2)}
.at-steps{list-style:none;counter-reset:s;padding:0;margin:36px 0 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.at-steps>li{counter-increment:s;background:var(--at-card);border:1px solid var(--at-line);border-radius:12px;padding:24px}
.at-steps>li::before{content:counter(s);display:inline-flex;width:36px;height:36px;border-radius:50%;background:var(--at-cobalt);color:#fff;font-weight:700;align-items:center;justify-content:center;margin-bottom:12px}
.at-steps b{display:block;font-size:18px;color:var(--at-head)}
.at-steps span{display:block;margin-top:8px;color:var(--at-ink2);line-height:1.5}
.at-faq{margin-top:28px;display:grid;gap:10px}
.at-faq details{background:var(--at-card);border:1px solid var(--at-line);border-radius:10px;padding:0 20px}
.at-faq summary{cursor:pointer;font-weight:700;padding:18px 0;min-height:44px;color:var(--at-head)}
.at-faq details p{padding:0 0 18px;color:var(--at-ink2)}
.at-table-wrap{overflow-x:auto;margin-top:32px;border:1px solid var(--at-line);border-radius:12px;background:var(--at-card)}
.at-table{width:100%;border-collapse:collapse;min-width:520px}
.at-table th,.at-table td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--at-line);vertical-align:top;line-height:1.45}
.at-table thead th{background:var(--at-cobalt);color:#fff}
.at-table tbody tr:last-child td{border-bottom:0}
.at-compare td:first-child{font-weight:700;color:var(--at-head)}
.at-compare{min-width:640px}
/* symmetric bars */
.at-sym{margin-top:32px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.at-sym-g{background:var(--at-card);border:1px solid var(--at-line);border-radius:12px;padding:22px}
.at-bar-row{display:grid;grid-template-columns:90px 1fr;align-items:center;gap:12px;margin-top:14px}
.at-bar-row span{font-size:15px;color:var(--at-ink2)}
.at-track{height:18px;border-radius:9px;background:var(--at-alt);overflow:hidden}
.at-fill{height:100%;border-radius:9px}
.at-fill.f{background:var(--at-blue)}.at-fill.c{background:#8A96A3}
.at-cap{grid-column:1/-1;margin-top:4px!important}
/* diagram */
.at-diag{margin:0;background:var(--at-card);border:1px solid var(--at-line);border-radius:12px;padding:24px;display:grid;gap:22px}
.at-diag-row{display:grid;grid-template-columns:56px 1fr;gap:6px 12px;align-items:center}
.at-diag-l{font-weight:700;color:var(--at-head)}
.at-diag-r{grid-column:2;font-size:14px;color:var(--at-ink2)}
.at-glass{position:relative;height:22px;border-radius:11px;background:var(--at-alt);border:1px solid var(--at-line);overflow:hidden}
.at-glass i{position:absolute;top:7px;width:18px;height:6px;border-radius:3px;background:var(--at-blue);animation:at-pulse 2.2s linear infinite}
.at-glass i:nth-child(2){animation-delay:.44s}.at-glass i:nth-child(3){animation-delay:.88s}.at-glass i:nth-child(4){animation-delay:1.32s}.at-glass i:nth-child(5){animation-delay:1.76s}
@keyframes at-pulse{from{left:-20px}to{left:100%}}
.at-coax{height:22px;border-radius:11px;background:repeating-linear-gradient(90deg,#B87333 0 10px,#C98B4F 10px 20px);opacity:.85}
.at-diag figcaption{font-size:13px;color:var(--at-ink2)}
@media (prefers-reduced-motion:reduce){.at-glass i{animation:none}.at-glass i:nth-child(1){left:8%}.at-glass i:nth-child(2){left:28%}.at-glass i:nth-child(3){left:48%}.at-glass i:nth-child(4){left:68%}.at-glass i:nth-child(5){left:88%}}
/* band + footer */
.at-band{background:var(--at-band);color:#fff;padding:64px 0;text-align:center}
.at-band h2{color:#fff}
.at-band p{color:#E4F3FB;margin-top:12px!important;font-size:18px}
.at-band .at-row{justify-content:center}
.at-ft{background:var(--at-ft);border-top:1px solid var(--at-line);padding:48px 0 32px}
.at-ft-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px}
.at-ft h4{margin:0 0 12px;color:var(--at-head);font-size:16px}
.at-ft-grid a{display:flex;align-items:center;min-height:44px;text-decoration:none;font-weight:700}
.at-ft .at-fine{margin:14px 0}
.at-tm{font-size:13px;color:var(--at-ink2);margin:28px 0 0;line-height:1.6}
.at-theme{display:inline-flex;border:1px solid var(--at-line);border-radius:22px;overflow:hidden}
.at-theme button{font:inherit;font-size:14px;min-height:44px;padding:8px 14px;border:0;background:transparent;color:var(--at-ink);cursor:pointer}
.at-theme button[aria-pressed=true]{background:var(--at-cobalt);color:#fff}
/* responsive */
@media (max-width:1100px){.at-nav{display:none}.at-menu{display:inline-flex}.at-g5{grid-template-columns:repeat(3,minmax(0,1fr))}.at-g4{grid-template-columns:repeat(2,minmax(0,1fr))}.at-steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:820px){.at-hero-in,.at-two,.at-sym,.at-g2,.at-g3,.at-ft-grid{grid-template-columns:1fr}.at-g5{grid-template-columns:repeat(2,minmax(0,1fr))}.at-hero{padding:48px 0}.at-sec{padding:52px 0}}
@media (max-width:560px){.at-g4,.at-g5,.at-steps{grid-template-columns:1fr}.at-hd-r .at-btn{display:none}.at-hd-in{gap:10px}.at-lockup{gap:8px}.at-menu{padding:8px 12px}.at-lockup img[height="22"]{height:18px;width:auto}.at-hd .at-plate img{width:92px;height:auto}.at-plate img{max-width:100%}.at-bar{font-size:20px}.at-wrap{padding:0 18px}}
/* v2 components */
.at-more{position:relative}
.at-more summary{list-style:none;cursor:pointer;font-weight:700;font-size:15px;color:var(--at-ink);min-height:44px;display:flex;align-items:center}
.at-more summary::-webkit-details-marker{display:none}
.at-more summary::after{content:"";width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin:-4px 0 0 8px}
.at-more summary.on{color:var(--at-link)}
.at-more-pop{position:absolute;right:0;top:100%;min-width:280px;background:var(--at-card);border:1px solid var(--at-line);border-radius:12px;padding:8px;box-shadow:0 12px 32px rgba(0,16,43,.18);display:grid;z-index:50}
.at-more-pop a{padding:10px 12px;border-radius:8px;min-height:44px;display:flex;align-items:center}
.at-more-pop a:hover,.at-more-pop a[aria-current=page]{background:var(--at-alt);box-shadow:none;padding-bottom:10px}
.at-nav{align-items:center}
.at-hero-plain{padding:64px 0 56px}
.at-layers{list-style:none;counter-reset:l;padding:0;margin:36px 0 0;display:grid;gap:16px}
.at-layers>li{counter-increment:l;display:grid;grid-template-columns:48px 1fr;gap:18px;background:var(--at-card);border:1px solid var(--at-line);border-radius:12px;padding:24px}
.at-layer-n::before{content:counter(l);display:inline-flex;width:40px;height:40px;border-radius:50%;background:var(--at-cobalt);color:#fff;font-weight:700;align-items:center;justify-content:center}
.at-layers>li p{color:var(--at-ink2);margin-top:8px}
.at-link-card{text-decoration:none!important;display:block;transition:box-shadow .15s}
.at-link-card:hover{box-shadow:0 0 0 2px var(--at-blue)}
.at-link-card p{color:var(--at-ink2)}
.at-more-l{display:inline-block;margin-top:14px;font-weight:700;color:var(--at-link)}
.at-start{margin-top:14px!important;padding-top:14px;border-top:1px solid var(--at-line);color:var(--at-ink)!important}
.at-dd td:not(:first-child),.at-dd th:not(:first-child){text-align:center}
.at-gloss{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:32px 0 0}
.at-gloss div{background:var(--at-card);border:1px solid var(--at-line);border-radius:10px;padding:18px 20px}
.at-gloss dt{font-weight:700;color:var(--at-head)}
.at-gloss dd{margin:6px 0 0;color:var(--at-ink2);line-height:1.55}
.at-picker{margin-top:32px;display:grid;grid-template-columns:1.3fr 1fr;gap:18px}
.at-picker-in,.at-picker-out{background:var(--at-card);border:1px solid var(--at-line);border-radius:12px;padding:24px}
.at-field{border:0;padding:0;margin:0 0 18px}
.at-field label[for],.at-field legend{display:block;font-weight:700;color:var(--at-head);margin-bottom:10px}
.at-field input[type=number]{width:140px;min-height:48px;font:inherit;font-size:18px;padding:8px 12px;border:1px solid var(--at-line);border-radius:8px;background:var(--at-bg);color:var(--at-ink)}
.at-chk{display:flex;align-items:center;gap:12px;min-height:44px;cursor:pointer;color:var(--at-ink)}
.at-chk input{width:22px;height:22px;accent-color:var(--at-cobalt)}
.at-picker-out{border-top:6px solid var(--at-blue)}
.at-picker-out b{display:block;font-size:40px;color:var(--at-head);line-height:1.1}
.at-picker-out p{margin-top:10px!important;color:var(--at-ink2)}
@media (max-width:1100px){.at-more{display:none}}
@media (max-width:820px){.at-picker,.at-gloss{grid-template-columns:1fr}.at-layers>li{grid-template-columns:1fr;gap:10px}}